<template>
	<div class="app-container">
<!--顶部header区域-->
    <mt-header fixed title="黑马程序员.vue项目">
    	<span  slot='left' @click='goBack' v-show="flag">
    		<mt-button icon='back'>返回</mt-button>
    	</span >
    </mt-header>


<!--中间的router-view区域-->
    <transition>
    	 <router-view></router-view> 
    </transition>
	         
	           
<!--底部Tabbar区域-->
	    <nav class="mui-bar mui-bar-tab">
			<router-link class="mui-tab-item--lib " to="/home">
				<span class="mui-icon mui-icon-home"></span>
				<span class="mui-tab-label">首页</span>
			</router-link>
			<router-link class="mui-tab-item--lib" to="/member">
				<span class="mui-icon mui-icon-contact"></span>
				<span class="mui-tab-label">会员</span>
			</router-link>
			<router-link class="mui-tab-item--lib" to="/shopcar">
				<span class="mui-icon mui-icon-extra mui-icon-extra-cart"><span class="mui-badge" id="badge">{{this.$store.getters.getAllCount}}</span></span>
				<span class="mui-tab-label">购物车</span>
			</router-link>
			<router-link class="mui-tab-item--lib" to="/search">
				<span class="mui-icon mui-icon-search"></span>
				<span class="mui-tab-label">搜索</span>
			</router-link>
		</nav>
		
		
		<!--<h1>这是App文件</h1>-->	

	</div>
</template>

<script>

export default {
	data() {
		return {
			flag: false
		}
	},
	created(){
		this.flag = this.$route.path === '/home'?false:true;
	},
	methods: {
		goBack(){
			//点击返回
			this.$router.go(-1)
		}
	},
	watch: {
		'$route.path':function(newVal){
			if(newVal == '/home'){
				this.flag = false
			}else {
				this.flag = true
			}
		}
	}
}
	
</script>

<style lang="scss" scoped>
*{
	touch-action: pan-y;
}

.mint-header{
	z-index: 20;
}
.app-container {
	padding-top: 40px;
	padding-bottom: 50px;
	overflow-x: hidden;
}
.v-enter,{
	opacity: 0;
	transform: translateX(100%);
	/*position: absolute;*/
}
.v-leave-to{
	opacity: 0;
	transform: translateX(-100%);
	position: absolute;
}

.v-enter-active,
.v-leave-active{
	transition: all 0.5s ease;
}
/*该类名，解决点击无法切换的问题*/


.mui-bar-tab .mui-tab-item--lib.mui-active{
	color:#007aff;
}

.mui-bar-tab .mui-tab-item--lib {
    display: table-cell;
    overflow: hidden;
    width: 1%;
    height: 50px;
    text-align: center;
    vertical-align: middle;
    white-space: nowrap;
    text-overflow: ellipsis;
    color: #929292;
}
.mui-bar-tab .mui-tab-item--lib  .mui-icon {
    top: 3px;
    width: 24px;
    height: 24px;
    padding-top: 0;
    padding-bottom: 0;
}

.mui-bar-tab .mui-tab-item--lib  .mui-icon {
    top: 3px;
    width: 24px;
    height: 24px;
    padding-top: 0;
    padding-bottom: 0;
}
.mui-bar-tab .mui-tab-item--lib  .mui-icon ~ .mui-tab-label {
    font-size: 11px;
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
}


.mui-bar-tab .mui-tab-item--lib  {
    text-align: center;
    white-space: nowrap;
    color: #929292;
}
</style>